| /* |
| * Copyright (c) 2017 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef ARM_COMPUTE_TEST_UTILS |
| #define ARM_COMPUTE_TEST_UTILS |
| |
| #include "support/ToolchainSupport.h" |
| |
| #include <algorithm> |
| #include <cmath> |
| #include <cstddef> |
| #include <limits> |
| #include <memory> |
| #include <numeric> |
| #include <sstream> |
| #include <string> |
| #include <type_traits> |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| namespace framework |
| { |
| /** @cond */ |
| namespace detail |
| { |
| template <int...> |
| struct sequence |
| { |
| }; |
| |
| template <int N, int... Ns> |
| struct sequence_generator; |
| |
| template <int... Ns> |
| struct sequence_generator<0, Ns...> |
| { |
| using type = sequence<Ns...>; |
| }; |
| |
| template <int N, int... Ns> |
| struct sequence_generator : sequence_generator < N - 1, N - 1, Ns... > |
| { |
| }; |
| |
| template <int N> |
| using sequence_t = typename sequence_generator<N>::type; |
| /** @endcond */ |
| |
| template <typename O, typename F, typename... As, int... S> |
| void apply_impl(O *obj, F &&func, const std::tuple<As...> &args, detail::sequence<S...>) |
| { |
| (obj->*func)(std::get<S>(args)...); |
| } |
| } // namespace |
| |
| template <typename O, typename F, typename... As> |
| void apply(O *obj, F &&func, const std::tuple<As...> &args) |
| { |
| detail::apply_impl(obj, std::forward<F>(func), args, detail::sequence_t<sizeof...(As)>()); |
| } |
| |
| /** Helper function to concatenate multiple strings. |
| * |
| * @param[in] first Iterator pointing to the first element to be concatenated. |
| * @param[in] last Iterator pointing behind the last element to be concatenated. |
| * @param[in] separator String used to join the elements. |
| * |
| * @return String containing all elements joined by @p separator. |
| */ |
| template <typename T, typename std::enable_if<std::is_same<typename T::value_type, std::string>::value, int>::type = 0> |
| std::string join(T first, T last, const std::string &separator) |
| { |
| return std::accumulate(std::next(first), last, *first, [&separator](const std::string & base, const std::string & suffix) |
| { |
| return base + separator + suffix; |
| }); |
| } |
| |
| /** Helper function to concatenate multiple values. |
| * |
| * All values are converted to std::string using the provided operation before |
| * being joined. |
| * |
| * The signature of op has to be equivalent to |
| * std::string op(const T::value_type &val). |
| * |
| * @param[in] first Iterator pointing to the first element to be concatenated. |
| * @param[in] last Iterator pointing behind the last element to be concatenated. |
| * @param[in] separator String used to join the elements. |
| * @param[in] op Conversion function. |
| * |
| * @return String containing all elements joined by @p separator. |
| */ |
| template <typename T, typename UnaryOp> |
| std::string join(T &&first, T &&last, const std::string &separator, UnaryOp &&op) |
| { |
| return std::accumulate(std::next(first), last, op(*first), [&separator, &op](const std::string & base, const typename T::value_type & suffix) |
| { |
| return base + separator + op(suffix); |
| }); |
| } |
| |
| /** Helper function to concatenate multiple values. |
| * |
| * All values are converted to std::string using std::to_string before being joined. |
| * |
| * @param[in] first Iterator pointing to the first element to be concatenated. |
| * @param[in] last Iterator pointing behind the last element to be concatenated. |
| * @param[in] separator String used to join the elements. |
| * |
| * @return String containing all elements joined by @p separator. |
| */ |
| template <typename T, typename std::enable_if<std::is_arithmetic<typename T::value_type>::value, int>::type = 0> |
| std::string join(T && first, T && last, const std::string &separator) |
| { |
| return join(std::forward<T>(first), std::forward<T>(last), separator, support::cpp11::to_string); |
| } |
| |
| /** Convert string to lower case. |
| * |
| * @param[in] string To be converted string. |
| * |
| * @return Lower case string. |
| */ |
| inline std::string tolower(std::string string) |
| { |
| std::transform(string.begin(), string.end(), string.begin(), [](unsigned char c) |
| { |
| return std::tolower(c); |
| }); |
| return string; |
| } |
| |
| /** Create a string with the arithmetic value in full precision. |
| * |
| * @param val Arithmetic value |
| * @param decimal_places How many decimal places to show |
| * |
| * @return String with the arithmetic value. |
| */ |
| template <typename T, typename std::enable_if<std::is_arithmetic<T>::value, int>::type = 0> |
| inline std::string arithmetic_to_string(T val, int decimal_places = 0) |
| { |
| std::stringstream ss; |
| ss << std::fixed; |
| ss.precision((decimal_places) ? decimal_places : std::numeric_limits<T>::digits10 + 1); |
| ss << val; |
| return ss.str(); |
| } |
| |
| } // namespace framework |
| } // namespace test |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_TEST_UTILS */ |